Submission #1121405

#TimeUsernameProblemLanguageResultExecution timeMemory
1121405ezzzayBikeparking (EGOI24_bikeparking)C++14
0 / 100
58 ms8548 KiB
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define pb push_back
const int N=3e5+5;
int x[N],y[N];
int cnt[N];
signed main(){
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>x[i];
    }
    for(int i=1;i<=n;i++){
        cin>>y[i];
    }
    int ans=0;
    for(int i=n;i>=1;i--){
        cnt[i]+=y[i];
        int k=min(x[i-1],cnt[i]);
        ans+=k;
        cnt[i]-=k;
        cnt[i-1]+=cnt[i];
        
    }
    ans-=cnt[1];
    
    cout<<ans;
}
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